In the vast landscape of social media, Reddit stands out as a unique platform that combines elements of discussion forums, news aggregation, and a social network. At the heart of Reddit's engaging user experience is the simple yet powerful 'upvote' button – a tool that allows users to endorse content they find valuable, interesting, or entertaining. But what lies behind the psychological appeal of this feature? Why do users feel compelled to click that arrow, and what does it tell us about human behavior online? In this article, we...